Cheap Flights from Cardiff (CWL) to Kos (KGS)

Popular airlines from Cardiff International Airport (CWL) to Kos (KGS-Kos Island Intl.)

Frequently asked questions

How much does a flight from Cardiff Intl. Airport (CWL) to Kos Island Intl. Airport (KGS) cost?
Secure a cheap one-way flight or cheap return flight from Cardiff Intl. Airport (CWL) to Kos Island Intl. Airport (KGS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Cardiff Intl. Airport (CWL) to Kos Island Intl. Airport (KGS)?
is the cheapest month to fly from CWL to KGS. Traveling during quieter months is often the key to finding a great deal.
What is the cheapest airline that flies from Cardiff Intl. Airport (CWL) to Kos Island Intl. Airport (KGS)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest CWL to KGS flight.
How many flights per day from Cardiff Intl. Airport (CWL) to Kos Island Intl. Airport (KGS)?
You'll have to take a flight with a layover when traveling from Cardiff Intl. Airport (CWL) to Kos Island Intl. Airport (KGS). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to find the best option for your trip.
What day of the week has the most flights from CWL to KGS?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Cardiff Intl. Airport (CWL) to Kos Island Intl. Airport (KGS)?
To avoid possible delays on the Cardiff Intl. Airport (CWL) to Kos Island Intl. Airport (KGS) route, aim to travel before 3 PM. Departures after this time have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Cardiff Intl. Airport (CWL) to Kos Island Intl. Airport (KGS) last-minute?
Booking your ticket from CWL to KGS shortly before your getaway is usually more expensive. But if you're flexible with your schedule, you could bag a cheap last-minute fare.
Is it cheaper to book a CWL to KGS flight and hotel package?
Booking a CWL to KGS flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Choose from our impressive range of accommodations and then add flights, car rentals and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Cardiff Intl. Airport (CWL) to Kos Island Intl. Airport (KGS)?
If you reserved your CWL to KGS flight in the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you want more information.

Travel information

Travel information

Origin airport
Cardiff Intl.
Destination airport
Kos Island Intl.
Distance
1795 mi
Average flight time
5 hours 55 mins

Book with confidence

Book with confidence

Cardiff to Kos Flights

The cheapest times to fly from Cardiff to Kos

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Cardiff to Kos are during the month of . You can find some of the cheapest flights from Cardiff to Kos with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Cardiff to Kos

Sunday is one of the best days to book for cheap flights from Cardiff to Kos: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Cardiff to Kos

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Cardiff to Kos in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Cardiff to Kos flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Cardiff to Kos airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Cardiff to Kos Flights

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*Available to One Key members.